Detailed Peptide Information
This page shows detailed information of individual peptides present in PlantPepDB database. The page is majorly divided into 3 sections. The first sections contains primary information like peptide activity, source, sequence, etc. In the secondary information section user can access the tertiary structure as well as the physico-chemical properties by clicking the respective links. Further there is also link of the source database and research article from which the peptide data is retrieved. Download the information by clicking
| Primary Information |
| PPepDB ID | PPepDB_2213 |
| Peptide Name | Varv peptide E (Cycloviolacin-O12) |
| PMID(s) | 20580652, 14987049, 10075760, 18618891, 18081258 |
| Plant Source (Scientific Name) | Viola tricolor, Viola arvensis, Viola baoshanensis, Viola yedoensis, Viola tianshanica, Viola abyssinica, Viola philippica |
| Plant Source (Common Name) | heartsease, European field pansy, Violet, Chinese Voilet |
| Plant Family | Violaceae |
| Peptide Family | Cyclotide |
| Peptide Function | Antiviral, Anticancer, Nematocide, Anti-HIV |
| Peptide Function Description | participates in a plant defense mechanism, Target site: lipid bilayer; shows 50% Hemolysis against Human erythrocytes at 6.96 µM |
| Activity Against | Human glioblastoma U251-MG (IC50: 38.84 µg/ml), Human breast adenocarcinoma MDA-MB-231 (IC50: >10 µg/ml), Human lung carcinoma A549 (IC50: >10 µg/ml), Human prostate cancer DU145 (IC50: >10 µg/ml), Human hepatocarcinoma BEL-7402 (IC50: >10 µg/ml), Human histiocytic lymphoma U-937/GTB (IC50: 4 µM), Human Myeloma cells RPMI-8226/s (IC50: 4 µM) |
| IC50 value | 38.84 µg/ml | >10 µg/ml | >10 µg/ml | >10 µg/ml | >10 µg/ml | 4 µM | 4 µM |
| Sequence | GLPICGETCVGGTCNTPGCSCSWPVCTRN |
| Sequence Length | 29 |
| Validation | Experimental evidence at protein level |
| Average Molecular Weight (Da) | 2916.34 |
| Monoisotopic Molecular Weight (Da) | 2914.2 |
| Isoelectric Point (pI) | 5.96 |
| Method / Extraction | Amino acid analysis, MS |
| External links (Uniprot, PDB and Source Information Database) |
| Uniprot | P83836, P83835, B5B3Z6, B5B3Z5, A5YRZ4, A5YRZ3 |
| NCBI | 46577590 |
| EMBL | --NA-- |
| Link to Source Databases | DBAASP_2451, PhytAMP_PHYT00214, EROP-Moscow_04044, Cybase_38, CAMPSQ6434, APD_01030 |
| Addtional Information | Synthesis Type : Ribosomal, This peptide found in Viola arvensis is also recorded in the UniProtKB entry P83835, The Kalata S showed significant activity in inhibiting development of nematode larvae and motility of adult worms; Shows potential anti-HIV activity; Shown to possess cytotoxic activity in cancer cells. |